Re: [Emc-users] Gib screw direction, various other subjects

2016-02-23 Thread Gregg Eshelman
On 2/23/2016 3:54 AM, andy pugh wrote: > I am talking about a single can of MAPP as a hotter alternative to > Butane or Profane. I suspect there was plenty of such language in Taiwan on the evening of July 31, 2014 when nearly 4 tons of propene that had leaked into the storm drains of

Re: [Emc-users] Gib screw direction, various other subjects

2016-02-23 Thread andy pugh
On 23 February 2016 at 09:59, Gene Heskett wrote: >> I would imagine that you can do it with the Bernz-o-matic, but you >> would need to be using MAPP gas and a firebrick hearth. > > Funny thing about mapp gas + the yellow oxygen, I bought 2 each and a > micro-torch, found the

Re: [Emc-users] Gib screw direction, various other subjects

2016-02-23 Thread Gene Heskett
On Tuesday 23 February 2016 04:21:11 andy pugh wrote: > On 23 February 2016 at 02:59, Gene Heskett wrote: > > I looked in the handbook, I made the cutter out of A2, which needs > > 1700-1800F for first heating, is air quenched, then annealed by > > bringing it back to around

Re: [Emc-users] Gib screw direction, various other subjects

2016-02-23 Thread andy pugh
On 23 February 2016 at 02:59, Gene Heskett wrote: > I looked in the handbook, I made the cutter out of A2, which needs > 1700-1800F for first heating, is air quenched, then annealed by bringing > it back to around 1300F but didn't see for how long, or what they call > an air

Re: [Emc-users] Gib screw direction, various other subjects

2016-02-22 Thread Gene Heskett
On Monday 22 February 2016 08:35:31 John Alexander Stewart wrote: > Gene; > > I have the Canadian equivalent of the G0704, CNCd, and I think the Y > gib goes to the back of the machine to tighten. I did go through the > exercise to adjust the ways, but it needs doing again, and, finding > out why

Re: [Emc-users] Gib screw direction

2016-02-22 Thread John Alexander Stewart
Gene; I have the Canadian equivalent of the G0704, CNCd, and I think the Y gib goes to the back of the machine to tighten. I did go through the exercise to adjust the ways, but it needs doing again, and, finding out why the backlash compensation on the Y is so high ​ John.

Re: [Emc-users] Gib screw direction

2016-02-22 Thread Gene Heskett
On Monday 22 February 2016 04:23:12 andy pugh wrote: > On 22 February 2016 at 04:33, Gene Heskett wrote: > > The printed manual that comes with a G0704 does not saw which > > direction to drive the gib to tighten. > > Is it a tapered gib? If it is then the screw will be on the

Re: [Emc-users] Gib screw direction

2016-02-22 Thread andy pugh
On 22 February 2016 at 09:51, Dave Caroline wrote: > Actually tapered gibs are a pain if they dont have a screw both ends, > Those with a single screw are in a slot so they can resist the gibs > tendency to self tighten My point is that a gib with a slot in the gib

Re: [Emc-users] Gib screw direction

2016-02-22 Thread Dave Caroline
Actually tapered gibs are a pain if they dont have a screw both ends, Those with a single screw are in a slot so they can resist the gibs tendency to self tighten and for removal of the gib. Broken or bent gib screws seem to be a regular problem with taper gibs. Dave Caroline

Re: [Emc-users] Gib screw direction

2016-02-22 Thread andy pugh
On 22 February 2016 at 04:33, Gene Heskett wrote: > The printed manual that comes with a G0704 does not saw which direction > to drive the gib to tighten. Is it a tapered gib? If it is then the screw will be on the big end, I don't think I have ever seen one with the screw on

[Emc-users] Gib screw direction

2016-02-21 Thread Gene Heskett
Greetings all; The printed manual that comes with a G0704 does not saw which direction to drive the gib to tighten. I noted a wave pattern in the cuts that Y motion caused, and after staring at it for a minute, it occured to me that I was seeing the 5mm pitch of the Y screw. Shaking the